The use of helicopters in underway replenishment.
McCormick, James Thomas
Milch, Paul R.
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Tills is a model of the underway replenishment of a task group by a single supply ship which is capable of transferring logistic items by helicopter as well as by the connected method. The model considers two cases where replenishment time is minimized. In one case all ships break away from the supply ship when refueling is complete. In the other case, the CVA remains alongside until all her requirements have been satisfied while the remaining ships break away when refueling is complete. The replenishment operation discussed deals specifically with a task group composed of one CVA, three DLG's and three DD's being rearmed and refueled by a single AOE. The specific portions of ordnance received via connected replenishment and vertical replenishment for each ship are the unknown quantities to be determined, while the transfer rates, refueling times, and total ordnance requirement are assumed to be known. A modified linear programming technique is used to determine an optimal employment of helicopters so that vertical replenishment time, and so the total replenishment time, is minimized. Operational data is used to establish the transfer rates and the individual ship requirements.
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Waggoner, Mark Harvey (Monterey, California. U.S. Naval Postgraduate School, 1967-12);An analytical model for replenishment at sea is formulated for two supply ships and L combatants using queueing theory concepts and a random walk model in the plane. Exponential distributions are assumed for replenishment ...
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